8115423470 has 32 divisors (see below), whose sum is σ = 18212276736. Its totient is φ = 2529482400.

The previous prime is 8115423461. The next prime is 8115423487. The reversal of 8115423470 is 743245118.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 8115423470.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5268986 + ... + 5270525.

It is an arithmetic number, because the mean of its divisors is an integer number (569133648).

Almost surely, 2^8115423470 is an apocalyptic number.

8115423470 is an abundant number, since it is smaller than the sum of its proper divisors (10096853266).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8115423470 is a wasteful number, since it uses less digits than its factorization.

8115423470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10539536.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 8115423470 is about 90085.6451938931. The cubic root of 8115423470 is about 2009.5727308109.

Adding to 8115423470 its reverse (743245118), we get a palindrome (8858668588).

The spelling of 8115423470 in words is "eight billion, one hundred fifteen million, four hundred twenty-three thousand, four hundred seventy".